11212664317 has 2 divisors, whose sum is σ = 11212664318. Its totient is φ = 11212664316.

The previous prime is 11212664291. The next prime is 11212664383. The reversal of 11212664317 is 71346621211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7726234201 + 3486430116 = 87899^2 + 59046^2 .

It is an emirp because it is prime and its reverse (71346621211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11212664317 - 2¹¹ = 11212662269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212664017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606332158 + 5606332159.

It is an arithmetic number, because the mean of its divisors is an integer number (5606332159).

Almost surely, 2^11212664317 is an apocalyptic number.

It is an amenable number.

11212664317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212664317 is an equidigital number, since it uses as much as digits as its factorization.

11212664317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The spelling of 11212664317 in words is "eleven billion, two hundred twelve million, six hundred sixty-four thousand, three hundred seventeen".